change classifier version for deployment

Author: quge009

src/copilot-chat/config/copilot-chat.yaml

@@ -21,7 +21,7 @@ agent-host: "0.0.0.0"
 agent-port: "50000"
 secure-port: "8443"
 history-depth: "64"
-version: "f3"
+version: "f4"
 agent-mode: "remote"
 agent-mode-ca: "local"
 azure-openai-api-key: "<your-api-key>"